Vidyalelo
Physics GK · all questions

Heat and Thermodynamics
practice.

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At boiling point of liquids, its

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Mud houses are cooler in summers and warmer in winters as compared to brick houses because

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Water is used in a hot water bag because

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Transfer of heat is mainly due to conduction, convection and radiation in-

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Temperature reaches zero absolute value-

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Assertion and Reason are given below.
Assertion (A): We prefer the white dress in winters.
Reason (R): White dresses are good reflectors of heat.
Which one among these is the right answer.

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For which of the following process is the entropy change zero?

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The temperature which has the same reading on both Fahrenheit and Celsius scales is

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